Portable electronic device



FIG. 1 is a perspective view of a portable electronic device showing our new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a left side elevational view thereof.

The broken line showing of the remainder of the handset is directed to environment and is for illustrative purposes only; the broken lines form no part of the claimed design. The shading is not part of the design. 

The ornamental design for a portable electronic device, as shown and described. 